Acid waste gas adsorption purifier (acid and alkali purification tower) is a new type of dry absorption equipment containing acid waste gas, mainly treating nitric acid, sulfuric acid, hydrochloric acid, hydrofluoric acid, can also treat phosphoric acid, boric acid, etc., the removal rate can be up to 95% or more. Acid waste gas adsorption purifier has high absorption rate, is not limited by the use of the environment, there is no secondary pollution, a wide range of applications, suitable for the waste acid gas in electronics, machinery, metallurgy and other industries. The practical application proves that the purification efficiency is more than 95%, and the exhaust gas is discharged up to the standard.